Dreze Johann Nikolaus (Iohann Nickolaus Dreze)

(1787-1867) In 1809, Mr.. went to France, where he studied mathematics and chemistry, practiced in the mechanical and optical shops Karetnaya and weapons factories. In 1817, Mr.. returned to Germany and established a manufacturing guns. Experimented with different systems of military and hunting weapons, ammunition, invented a unitary cartridge own design. In 1827, Mr.. suggested needle gun, after 2 years has released its improved model. In 1835, Mr.. made kaznozaryadnoe army rifle, engaged in new explosives and rockets.